Table of Contents 1. Add, delete, modify and check data 1. Display of user list 2. Modify the logical analysis of data 3. Analysis of deletion function 2. How to create table relationships 3. Django’s request life cycle flow chart 1. Add, delete, modify and check data 1. Display of user list Query all user […]
Tag: cycle
Maven-build life cycle and plug-ins
Foreword 1. Concepts and Basics 2. Life cycle 1. Three life cycles 2. Life cycle composition 2.1. Clean life cycle 2.2. Default build life cycle 2.3. Clean life cycle 3. Plug-in 1.Default plug-in 2. Custom plug-ins 4. Bind the plug-in goal to phase 1.Packaging 2.Plugins 5. Command line startup 1. Start the life cycle 2. […]
Spring bean life cycle
Create the call graph of the bean: Bean logic diagram: 1 bean scope singleton: Singleton mode, in the entire Spring IOC container, all beans are singleton by default. prototype: Prototype mode, every time a bean defined by prototype is obtained through the getBean method of the container, a new bean instance will be generated. request: […]
Bean scope and life cycle
Table of Contents Prospect introduction: scope definition Six scopes of Bean Singleton scope (Singleton) VS global scope (application) How to set bean scope? Bean life cycle Foreground introduction: Assume that there are two public Beans available to User A and User B. When A modifies the public Bean, User B will obtain the modified Bean. […]
Mobile Development Experiment 2: RecycleView and Activity Jump
AS WeChat interface development Feature requirements 1. Implement the list effect in any tab page; the implementation of this function requires the use of recycleview; 2. Add a click function to each item of recyclerView, and jump to a new view to display information after clicking. Development technology Development tools: as Version: API 24 Android […]
[kubernetes] pod life cycle
Article directory 1 Overview 2. pod life cycle 3. pod stage 4. Container status 5. Container restart strategy 6. pod status 6.1 Pod ready state 6.2 Pod ready status 6.3 Pod network ready 7. Container probe 7.1 Inspection mechanism 7.2 Detection results 7.3 Detection types 8. Termination of Pod 8.1 Forcefully terminate Pod 8.2 Pod […]
Linux signal (signal kill alarm raise abort settimer sigaction SIGCHLD recycles child process)
1. Basic concepts of signals: 1. Signal mechanism When process A sends a signal to process B, once process B receives the signal, it will stop the executing process and process the signal. After processing the signal, it will continue to return to execute the previous process. It can be seen that the priority of […]
Spring- SpringBean life cycle source code analysis
Attached information JFR introduction: In-depth exploration of JFR – Detailed introduction of JFR and positioning of production problems – 1. JFR description and startup configuration – Zhihu The most important function of Spring is to help programmers create objects (that is, IOC), and starting Spring is to prepare for the creation of Bean objects, so […]
Efficient reuse: Optimization tips when horizontal lists are nested inside RecyclerView | Developers say·DTalk
Original author of this article: Little Horse Run, Original textPublished on: Code Talk Background Suppose you want to achieve the following renderings: As shown in the figure, first of all, this is a multi-style sliding list (only 3 styles are listed in the screenshot). There is no doubt that the overall external use of RecyclerView […]
KaiwuDB kernel parsing – SQL query life cycle
1. Overview The KaiwuDB kernel analysis series is divided into two parts. This article is the first part of the series. It mainly covers network protocols to SQL executors, explaining how KaiwuDB executes SQL queries, including the execution paths of various components of the system (network protocols, SQL session management, Parser, execution plan and optimization, […]